That hitchhiker looks dangerous. Don't pick him up.那个搭便车的人看起来很危险. 不要载他.It was then that he noticed the hitchhiker by the road.就在那时他注意到马路边有个搭便车者.He picked up two hitchhiker s at the entrance to the motorway.在高速公路入口,他...
有一些湿地在古代就形成了。There are some areas of wetland which are of ancient origin.他们不时陷入没膝的湿地。They sometimes sank knee-deep into the marsh.牛群在湿地上吃草。Cows were grazing on the marshes....